
Ultrasonic Sensor Module HC-SR-04
- Size 16 x 50 mm
- Operating Voltage: 5V(DC)
- Output Signal: Electric frequency signal, high level 5V, low level 0V
- Sensor Angle: Not more than 15 degrees
- Detection Distance: 2cm-450cm
- High Precision: Up to 0.3cm
- Input Trigger Signal: 10us TTL impulse
- Echo Signal: output TTL PWL signal